package com.itheima.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.itheima.domain.db.AnalysisByDay;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

public interface AnalysisByDayMapper extends BaseMapper<AnalysisByDay> {

    //累计注册用户数
    @Select("SELECT SUM(num_registered) FROM tb_analysis_by_day ")
    Long countRegisterNum();

    //统计一段时间内的活跃用户数
    @Select("SELECT SUM(num_active) FROM tb_analysis_by_day WHERE record_date BETWEEN #{begin} AND #{end}")
    Long countActiveNum(@Param("begin") String begin, @Param("end") String end);
}